1 #![feature(custom_attribute, specialization)]
2 #![allow(dead_code, unused_attributes)]
9 default fn is_unit() -> bool { false }
13 fn is_unit() -> bool { true }
17 fn specialization() -> (bool, bool) {
18 (i32::is_unit(), <()>::is_unit())
22 assert_eq!(specialization(), (false, true));